function RTrim(str) /*** PURPOSE: Remove trailing blanks from our string. IN: str - the string we want to RTrim RETVAL: An RTrimmed string! ***/ { // We don't want to trip JUST spaces, but also tabs, // line feeds, etc. Add anything else you want to // "trim" here in Whitespace var whitespace = new String(" \t\n\r"); var s = new String(str); if (whitespace.indexOf(s.charAt(s.length-1)) != -1) { // We have a string with trailing blank(s)... var i = s.length - 1; // Get length of string // Iterate from the far right of string until we // don't have any more whitespace... while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1) i--; // Get the substring from the front of the string to // where the last non-whitespace character is... s = s.substring(0, i+1); } return s; }
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